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SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (27 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: Yes, we were able to verify the certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: No, we were unable to detect any issues in the certificate chain sent by the server
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status: OCSP Responder returned "good" status for the end-entity certificate

DNS Information

Resolves To: 176.223.134.148
Reverse IP lookup: najduzarec.rs.
Nameserver: ns1.najduzarec.rs.
Nameserver: ns2.najduzarec.rs.

General Information

Common Name: najduzarec.rs
SANs: DNS:*.najduzarec.rsDNS:najduzarec.rs Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 4d59d3a9bbed381fddec8bf720b75089c8d
Not Before: Dec 20, 2023 22:25:11 GMT
Not After: Mar 19, 2024 22:25:10 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Supported
Server: Microsoft-IIS/10.0
HSTS: max-age=15768000; includeSubDomains
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: najduzarec.rs

Decode this certificate for verbose information →
Subject Common Name najduzarec.rs
Issuer Common Name R3
Issuer Organization Let's Encrypt
Not Before: Dec 20, 2023 22:25:11 GMT
Not After: Mar 19, 2024 22:25:10 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 4d59d3a9bbed381fddec8bf720b75089c8d
SHA1 Fingerprint: 04:BB:42:CD:5C:E2:4F:36:6C:41:42:E6:FA:F9:97:E6:35:E1:19:F8
MD5 Fingerprint: AB:93:1D:77:31:86:75:62:77:2C:C9:E4:03:8E:44:B1

Certificate # 2 - Common Name: R3

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name R3
Subject Organization Let's Encrypt
Issuer Common Name ISRG Root X1
Issuer Organization Internet Security Research Group
Not Before: Sep 04, 2020 00:00:00 GMT
Not After: Sep 15, 2025 16:00:00 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 912b084acf0c18a753f6d62e25a75f5a
SHA1 Fingerprint: A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05
MD5 Fingerprint: E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36

OpenSSL Handshake

depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = najduzarec.rs
verify return:1
CONNECTED(00000003)
OCSP response: 
======================================
OCSP Response Data:
    OCSP Response Status: successful (0x0)
    Response Type: Basic OCSP Response
    Version: 1 (0x0)
    Responder Id: C = US, O = Let's Encrypt, CN = R3
    Produced At: Feb 20 19:19:00 2024 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
      Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
      Serial Number: 04D59D3A9BBED381FDDEC8BF720B75089C8D
    Cert Status: good
    This Update: Feb 20 19:19:00 2024 GMT
    Next Update: Feb 27 19:18:58 2024 GMT

    Signature Algorithm: sha256WithRSAEncryption
         ad:a0:c2:6d:d6:f5:a8:df:db:f5:d9:14:6e:00:55:ab:5c:ab:
         d0:7f:d2:d7:87:2a:0c:30:dc:7b:95:f0:6a:06:5d:a2:0f:77:
         9f:a9:49:2f:c5:1d:60:66:0a:cc:23:d4:ad:54:6a:78:59:a0:
         de:01:24:f1:6d:00:bc:dc:1f:f9:bf:9b:47:60:2b:bf:6a:b6:
         a8:69:b1:33:43:1b:36:64:9e:d9:19:0d:90:f5:a6:05:c6:3b:
         50:6c:5c:b4:26:55:5e:f4:99:da:65:6c:b1:fb:28:97:64:58:
         3b:07:d9:77:c7:d7:ce:5e:be:e2:f0:1b:75:0a:69:14:ea:1f:
         13:28:e9:85:fa:55:d9:41:05:8e:7c:b9:b5:a7:28:47:35:30:
         79:93:81:52:a7:52:31:14:1a:31:4b:a2:c6:40:77:ca:3f:f1:
         74:25:e2:0c:bf:94:2f:3a:d0:25:e7:2a:06:7b:db:30:ef:81:
         18:1b:a9:9f:03:7e:f0:39:68:23:bb:f7:70:cd:56:43:fe:94:
         84:fd:da:43:58:04:06:2d:75:e8:9f:f5:a0:31:0e:8d:a4:cd:
         17:77:3d:15:1d:3c:ad:6f:56:07:90:2e:90:80:93:0a:78:62:
         6f:0e:6f:5c:d7:a7:d5:4a:32:88:78:f9:05:fb:31:43:39:37:
         40:5b:8d:a0
======================================
---
Certificate chain
 0 s:CN = najduzarec.rs
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:C = US, O = Let's Encrypt, CN = R3
   i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
-----BEGIN CERTIFICATE-----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gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W
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ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz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-----END CERTIFICATE-----
---
Server certificate
subject=CN = najduzarec.rs

issuer=C = US, O = Let's Encrypt, CN = R3

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3593 bytes and written 404 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
DONE